A connecting arrangement having a partition and a plurality of contact pins is disclosed. Each contact pin has two contact portions and a fastening portion electrically connecting the contact portions to each other, the contact portions each being arranged so as to be accessible from one side of the partition. The connecting arrangement also has a plurality of contact chambers into which the contact pins are arranged, a radially resilient sealing sleeve arranged in each contact chamber, and at least one seal. The seal is configured as a radially outwardly projecting circumferential annular web being arranged on the fastening portion of each contact pin and being sealingly pressed into the sealing sleeve.